21931112

素因数分解:

$2^3\times 7^1\times {\mathrm{391627}}^1$

素因数の和:391640

約数の個数: 16

約数和(自身を含む): 46995360

約数和(自身を除く): 25064248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 391627, 783254, 1566508, 2741389, 3133016, 5482778, 10965556, 21931112]

約数ペア:

[(1, 21931112), (2, 10965556), (4, 5482778), (7, 3133016), (8, 2741389), (14, 1566508), (28, 783254), (56, 391627)]